xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

firmware: qcom_scm: Add set remote state API

Browse Source 
This patch adds a set remote state SCM API.  This will be used by the
Venus and GPU subsystems to set state on the remote processors.

This work was based on two patch sets by Jordan Crouse and Stanimir
Varbanov.

Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Andy Gross
2017-01-16 23:24:15 -06:00
parent 472cef345c
commit a811b420b6
5 changed files with 45 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/firmware/qcom_scm-32.c
View File

@@ -560,3 +560,21 @@ int __qcom_scm_pas_mss_reset(struct device *dev, bool reset)
return ret ? : le32_to_cpu(out);
}
int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id)
{
struct {
__le32 state;
__le32 id;
} req;
__le32 scm_ret = 0;
int ret;
req.state = cpu_to_le32(state);
req.id = cpu_to_le32(id);
ret = qcom_scm_call(dev, QCOM_SCM_SVC_BOOT, QCOM_SCM_SET_REMOTE_STATE,
&req, sizeof(req), &scm_ret, sizeof(scm_ret));
return ret ? : le32_to_cpu(scm_ret);
}